3GP是一种音频和视频容器格式，通常用于3G手机。但它也可以在2G和4G手机上使用。这个基于MP4的容器通过互联网在手机之间广播多媒体文件。
3GP is an audio and video container format that is generally used in 3G cell phones. But it can also work in 2G and 4G cell phones. This MP4 based container broadcasts multimedia files between cell phones over internet.
